Daisuke Umehara

Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, Masahiro Morikura: Software Radio-Based Distributed Multi-User MIMO Testbed: Towards Green Wireless Communications. IEICE Transactions 96-A(1): 247-254 (2013)

Satoshi Denno, Daisuke Umehara, Masahiro Morikura: A Least Bit Error Rate Adaptive Array for MultiLevel Modulations. IEICE Transactions 95-B(1): 69-76 (2012)

Mirza Golam Kibria, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, Masahiro Morikura: Partitioned Vector Quantization for MU-MIMO Downlink Broadcasting. VTC Fall 2012: 1-5

Makoto Miyagoshi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, Masahiro Morikura: Experimental Verification of PER Performance of STBC-Based Multi-Hop Cooperative Relaying. VTC Fall 2012: 1-4

Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, Masahiro Morikura: Field Experiments of Linearly Precoded Multi-User MIMO System at 5GHz Band. VTC Fall 2012: 1-5

Akihito Taya, Satoshi Denno, Koji Yamamoto, Masahiro Morikura, Daisuke Umehara, Hidekazu Murata, Susumu Yoshida: A Virtual Successive Detection for Cooperative MU-MIMO Systems with Reduced CSI. VTC Spring 2012: 1-5

Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama: Performance analysis of slotted ALOHA and network coding for single-relay multi-user wireless networks. Ad Hoc Networks 9(2): 164-179 (2011)

Jun Imamura, Satoshi Denno, Daisuke Umehara, Masahiro Morikura: A Virtual Layered Space-Frequency Receiver Architecture with Iterative Decoding. IEICE Transactions 94-B(7): 1994-2002 (2011)

Akihito Taya, Satoshi Denno, Daisuke Umehara, Masahiro Morikura, Hidekazu Murata, Koji Yamamoto, Susumu Yoshida: A Virtual Layered Space-Frequency Receiver for Multiuser MIMO-OFDM Systems. VTC Fall 2011: 1-5

Chun-Hsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama: Enhancement of CSMA/CA and Network Coding in Single-Relay Multi-User Wireless Networks. IEICE Transactions 93-B(12): 3371-3380 (2010)

Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama: Throughput Analysis of Two-Hop Wireless CSMA Network Coding. ICC 2010: 1-6

Ryota Ohnishi, Satoshi Denno, Daisuke Umehara, Masahiro Morikura: Complexity reduced detection for virtual layered space time receivers. PIMRC 2010: 587-592

Daisuke Umehara, Taro Hayasaki, Satoshi Denno, Masahiro Morikura: Influences of Periodically Switching Channels Synchronized with Power Frequency on PLC Equipment. JCM 4(2): 108-118 (2009)

Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama: Wireless network coding in slotted aloha with two-hop unbalanced traffic. IEEE Journal on Selected Areas in Communications 27(5): 647-661 (2009)

Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama: Achievable Region in Slotted ALOHA Throughput for One-Relay Two-Hop Wireless Network Coding. ADHOCNETS 2009: 376-391

Jun Imamura, Satoshi Denno, Daisuke Umehara, Masahiro Morikura: A Virtual Layered Space-Frequency Communication Architecture with Iterative Decoding. GLOBECOM 2009: 1-6

Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama: Analysis of Network Coding in Slotted ALOHA with Two-Hop Bidirectional Traffic. ICC 2009: 1-5

Jun Imamura, Satoshi Denno, Daisuke Umehara, Masahiro Morikura: Iterative detection with soft input for virtual layered space-frequency receivers. PIMRC 2009: 291-295

Satoshi Denno, Hirofumi Maruyama, Daisuke Umehara, Masahiro Morikura: A Virtual Layered Space Time Receiver with Maximum Likelihood Channel Detection. VTC Spring 2009

Taro Hayasaki, Daisuke Umehara, Satoshi Denno, Masahiro Morikura: A Simulator of Periodically Switching Channels for Power Line Communications. AccessNets 2008: 162-175

Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura: Throughput Analysis of Wireless Relay Slotted ALOHA Systems with Network Coding. GLOBECOM 2008: 4981-4985

Daisuke Umehara, Hiroshi Yamaguchi, Yoshiteru Morihiro: Turbo decoding in impulsive noise environment. GLOBECOM 2004: 194-198